Sii Ukraine

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

We are looking for a Senior Networking & Linux Driver Engineer

Design, develop and optimize high-performance networking software, Linux kernel components and device drivers for next-generation DPU platforms powering hyperscale cloud, AI/ML and HPC infrastructure. The engineer will work close to the Linux networking stack, packet processing data paths and hardware acceleration technologies.

Mandatory Profile

• 10+ years of professional experience in networking software development.
• Strong hands-on Linux kernel and device driver development experience.
• Deep understanding of Linux networking internals.
• Proven experience with Ethernet, TCP/IP and high-performance packet processing systems.
• Strong C/C++ programming skills.
• Track record of debugging and performance optimization in complex production environments.
• Ability to demonstrate direct implementation ownership and technical leadership.

Requirements

• Linux kernel development.
• Device driver development and debugging.
• Linux networking stack (netdev, packet processing, performance tuning).
• Advanced C/C++ on Linux.
• Network protocols: Ethernet, IPv4/IPv6, TCP, UDP.
• Git and modern software development practices.
• Strong system-level debugging skills.
• Tax residence in Ukraine required

Your responsibilities

• Develop and maintain networking software and Linux drivers for DPU platforms.
• Optimize high-speed packet processing paths.
• Collaborate closely with hardware, firmware and architecture teams.
• Investigate and resolve networking performance bottlenecks.
• Participate in architecture discussions, code reviews and system integration activities.
• Contribute to software quality, automation and CI/CD processes.

Strong Advantages

• Linux upstream contribution experience (kernel, netdev, drivers or networking subsystems).
• RDMA experience (RoCE, InfiniBand, verbs, queue pairs, completion model).
• DPDK development and optimization.
• Experience with NICs, SmartNICs, DPUs or networking accelerators.
• PCIe, DMA and low-level HW/SW integration.
• Data center networking, cloud infrastructure or HPC background.
• Previous experience in companies such as NVIDIA, Mellanox, Intel, Microsoft, Broadcom or Marvell.

Not Suitable If

• Experience is primarily application-level software development.
• No Linux kernel or driver ownership.
• Limited exposure to networking internals or packet processing.
• Primarily architecture or coordination roles without recent hands-on coding.

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

We are looking for a Technical Leader to join an innovative team working on advanced 4D imaging radar technology for the automotive industry.

We are looking for someone who combines strong technical expertise with proven leadership experience and can guide a team, make technical decisions, and drive projects forward.

Important: this is a strictly technical leadership role, not a Developer position. Previous experience as a Team Lead / Tech Lead is required.

You will join a team developing software and tools that power advanced automotive radar solutions, contributing to technologies aimed at improving road safety and enabling the future of autonomous driving.

Your responsibilities

• Lead a team developing software and tools for automotive radar systems
• Work closely with Architecture and Integration teams to deliver high-quality solutions
• Define and manage project milestones and timelines
• Mentor engineers and support their technical development
• Conduct code reviews and ensure adherence to development best practices and industry standards
• Drive technical tasks from design through implementation and delivery
• Collaborate with cross-functional teams and contribute to technical decisions

Requirements

• Previous experience as a Team Lead / Tech Lead or experience owning major software components
• 5+ years of experience leading engineers or owning major software components
• Strong C programming skills
• Strong Python skills
• Significant experience with Linux
• Strong system-level thinking
• Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field
• Ability to work independently and take ownership of tasks end-to-end
• Strong communication and collaboration skills
• Ability to work effectively in a fast-paced and dynamic environment
• Tax residence in Ukraine required

Nice to have

• Experience with communication stacks
• UI development experience
• Experience with ASPICE development processes
• Automotive or embedded systems experience

Please note: candidates without previous Team Lead / Tech Lead experience are not a match for this position.

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

Are you a Java Developer who also feels comfortable with DevOps and Azure? We might have an interesting opportunity for you! 🙂

We are looking for a Regular+ Java Developer who can combine strong backend development skills with knowledge of DevOps practices and cloud technologies.

Requirements:

• Commercial experience with Java
• Good knowledge of Spring / Spring Boot
• Experience with REST APIs and backend development
• Understanding of DevOps practices and CI/CD
• Hands-on experience with Microsoft Azure
• Experience with Docker and/or Kubernetes will be an advantage
• Good command of English

• Tax residence in Ukraine required

   

What we offer:

• 💻 100% remote work
• 🌍 International project and multicultural environment
• 🚀 Opportunities for professional development
• 🤝 Supportive team and modern technologies
• 📄 Cooperation based on Ukrainian FOP

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

We are looking for a Senior Big Data Developer to join a project focused on building data-driven solutions and integrations using the Databricks platform.

You will work on backend logic, API integrations and application components within Databricks Apps, contributing to scalable and maintainable solutions that integrate with enterprise systems and procurement processes.

Responsibilities:

• Develop and maintain applications and data solutions using Databricks
• Build and configure Databricks Apps, Workflows, Delta Lake and Unity Catalog
• Develop backend logic using Python, including routing, validation and business logic
• Design and implement integrations with external systems through REST APIs
• Work with JSON, OAuth 2.0 and API-based content routing
• Develop application interfaces using Streamlit or React within Databricks Apps
• Implement and maintain data and API integration flows
• Write unit and integration tests to ensure solution quality and reliability
• Use Git and CI/CD practices for development and deployment
• Implement logging, monitoring and troubleshooting mechanisms
• Collaborate with other developers, architects and business stakeholders

• Contribute to technical decisions and continuous improvement of the solution

   

Requirements:

• Strong commercial experience as a Big Data / Data / Software Developer
• Hands-on experience with Databricks
• Practical knowledge of:
  • Databricks Apps
  • Databricks Workflows
  • Delta Lake
  • Unity Catalog
• Strong Python skills, particularly for backend development
• Experience with REST APIs, JSON and OAuth 2.0
• Understanding of API-based content routing
• Experience with Streamlit or React
• Good understanding of software engineering practices
• Experience with Git and CI/CD
• Experience writing unit and integration tests
• Experience with logging, monitoring and troubleshooting
• Ability to work independently and communicate effectively with technical and business stakeholders
• English at a level sufficient for working in an international environment
• Tax residence in Ukraine required

Nice to Have:

• Experience with E-Invoicing solutions
• Knowledge of SAP Ariba
• Experience integrating with ERP or procurement systems
• Knowledge of UBL / PEPPOL
• Experience working with enterprise integration platforms

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

We are looking for an Embedded Software Engineer to join the BSP team and work on the development and maintenance of low-level firmware and Board Support Packages for advanced hardware platforms.

In this role, you will work closely with hardware, validation, and VLSI teams to enable seamless hardware-software integration and contribute to the development of next-generation products.

Your task:

• Design, develop, and maintain BSP and low-level firmware based on Zephyr RTOS
• Develop and integrate device drivers, board configurations, and platform services
• Implement management interfaces and protocols such as MCTP, IPMI, PLDM, NC-SI, and Redfish
• Support platform monitoring, control, and system management features
• Participate in board bring-up activities and chip/platform integration
• Develop Python and Bash tools for platform management, testing, and automation
• Collaborate with hardware, validation, and VLSI teams to ensure reliable system integration

Requirements:

• 3+ years of experience in embedded software or firmware development in a Linux environment
• Strong programming skills in C
• Experience with Python and Bash scripting
• Understanding of networking concepts and communication protocols
• Knowledge of hardware/software interfaces such as I2C, SPI, GPIO, UART
• Experience working close to hardware and SoC/board-level development

Your strengths:

• Strong technical and problem-solving skills
• Ability to work independently and learn quickly
• Good communication skills
• Team-oriented mindset and ability to collaborate across disciplines

This is an opportunity to work on challenging low-level embedded systems, combining software development with hardware integration in an innovative technology environment.

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

Join our Testing and Validation team to ensure the reliability and performance of programmable Ethernet switch software. You will design and implement automation frameworks and network test scenarios to verify cutting-edge hardware and software solutions.

By joining us, you become a member of the Embedded Competence Center at Sii, an internal organizational unit that brings together over 500 specialists from across the country. We are currently working on around 100 projects for 50 clients in various industries, including automotive, IoT, telecommunications, and medical sectors.

Your responsibilities:

• Design and implement automated test suites for switch software and firmware
• Develop Python-based test frameworks for functional and performance testing
• Perform regression, stress, and system-level testing on hardware platforms
• Integrate automated tests into CI/CD pipelines
• Collaborate with developers to identify, reproduce, and verify software defect fixes

Requirements:

• Minimum of 5 years of commercial experience in a similar role
• Strong experience in Python-based test automation
• Knowledge of network automation frameworks and Linux environments

L2, Third-Line Support, switches, Linux, Network Administration, Network Routers, Python, SWITCH/ROUTER tester

We are looking for a skilled ABAP Developer to join a long-term project for the pharmaceutical sector, focusing on ABAP and HANA development. This remote position involves working on various aspects of Quality Assurance and development lifecycle management. If you are passionate about ensuring high-quality standards in SAP environments, this opportunity may be the right fit for you.

Your tasks:

• Conducting periodic functional and technical reviews of specifications, focusing on architecture and formal standards
• Performing quality assurance through code quality reviews and ensuring adherence to processes and data integrity in project tools
• Defining and updating guidelines and best practices for development teams in the S4HANA environment
• Updating the development lifecycle workflow according to the RACI matrix defined by the PMO
• Providing guidance and support for resolving complex ABAP issues related to deliverables, basis, or integration
• Managing automatic custom code inspection procedures using tools like ATC and VFORGE throughout their lifecycle
• Ensuring thorough ABAP testing from performance, quality, robustness, stability, and security perspectives in collaboration with test leads
• Participating in the delivery of complex or critical development objects as part of co-delivery activities

Requirements

• Practical experience in ABAP programming and SAP HANA
• Strong knowledge of Fiori/UI5 is a plus
• Familiar with HANA SQL scripts skills
• Experience with Quality Assurance processes and tools such as ATC and VFORGE
• Ability to conduct technical reviews and implement best practices in development
• Familiarity with development lifecycle workflows and RACI matrices
• Advanced level of English
• Tax residence in Ukraine required